Moisture alarm housing



FIG. 1 is a perspective view of a moisture alarm housing embodying the design of the present invention;

FIG. 2 is a plan view of the moisture alarm housing;

FIG. 3 is a side elevation view of the moisture alarm housing; and

FIG. 4 is a bottom view of the moisture alarm housing. 

The ornamental design for a moisture alarm housing, substantially as shown. 